mirror of https://code.videolan.org/videolan/vlc
92 lines
3.0 KiB
C
92 lines
3.0 KiB
C
/*****************************************************************************
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* vlc_fingerprinter.h: Fingerprinter abstraction layer
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*****************************************************************************
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* Copyright (C) 2012 VLC authors and VideoLAN
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation; either version 2.1 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
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*****************************************************************************/
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#ifndef VLC_FINGERPRINTER_H
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# define VLC_FINGERPRINTER_H
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#include <vlc_common.h>
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#include <vlc_meta.h>
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#include <vlc_input_item.h>
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#include <vlc_arrays.h>
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# ifdef __cplusplus
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extern "C" {
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# endif
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typedef struct fingerprinter_sys_t fingerprinter_sys_t;
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struct fingerprint_request_t
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{
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input_item_t *p_item;
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unsigned int i_duration; /* track length hint in seconds, 0 if unknown */
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struct
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{
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char *psz_fingerprint;
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vlc_array_t metas_array;
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} results ;
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};
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typedef struct fingerprint_request_t fingerprint_request_t;
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static inline fingerprint_request_t *fingerprint_request_New( input_item_t *p_item )
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{
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fingerprint_request_t *p_r =
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( fingerprint_request_t * ) calloc( 1, sizeof( fingerprint_request_t ) );
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if ( !p_r ) return NULL;
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p_r->results.psz_fingerprint = NULL;
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p_r->i_duration = 0;
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input_item_Hold( p_item );
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p_r->p_item = p_item;
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vlc_array_init( & p_r->results.metas_array ); /* shouldn't be needed */
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return p_r;
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}
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static inline void fingerprint_request_Delete( fingerprint_request_t *p_f )
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{
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input_item_Release( p_f->p_item );
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free( p_f->results.psz_fingerprint );
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for( size_t i = 0; i < vlc_array_count( & p_f->results.metas_array ); i++ )
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vlc_meta_Delete( (vlc_meta_t *) vlc_array_item_at_index( & p_f->results.metas_array, i ) );
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free( p_f );
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}
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struct fingerprinter_thread_t
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{
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struct vlc_object_t obj;
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/* Specific interfaces */
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fingerprinter_sys_t * p_sys;
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module_t * p_module;
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int ( *pf_enqueue ) ( struct fingerprinter_thread_t *f, fingerprint_request_t *r );
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fingerprint_request_t * ( *pf_getresults ) ( struct fingerprinter_thread_t *f );
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void ( *pf_apply ) ( fingerprint_request_t *, size_t i_resultid );
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};
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typedef struct fingerprinter_thread_t fingerprinter_thread_t;
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VLC_API fingerprinter_thread_t *fingerprinter_Create( vlc_object_t *p_this );
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VLC_API void fingerprinter_Destroy( fingerprinter_thread_t *p_fingerprint );
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# ifdef __cplusplus
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}
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# endif
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#endif
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